.body_{
    background-color: #2a2e39;
    color:#f1f1f1;
}
.border_{
    border: 1px solid #2e93dd;
}
.bg{
    background-color: #2a2e39;
}
.float_{
    float: left;
}
/*盒子*/
.BigBox{
    margin-bottom: 20px;
}
.box1 .box2{

    margin:2% auto;
}
.topic{
    margin-top: 15px;
    color: #1DA687;
}
.box1_li{
    height:250px;
    padding: 9%;
    position:relative;
}
.box1_li img{
    top: 10%;
    position: relative;
    display: block;
    height:100px;
    width:100px;
    margin:auto;
}
.box1_li p{
    position:relative;
    width:75%;
    margin:auto;
    margin-top: 7%;
    text-align: center;
}
.box1_li div{
    background-color: #2a2e39;
}
